[RFC] staging: fbtft: Moving fb_ili9341 (and others) to DRM

[Daniel Matyas]

On Thu, Nov 05, 2026 at 10:47:06PM +0100, Nam Cao wrote:
> Daniel Matyas <matyasdaniel006 at gmail.com> writes:
> > Questions:
> >  a) Is removing fb_ili9341 acceptable, pointing users of other ILI9341
> >     modules to panel-mipi-dbi? The KD233 node would then have no driver.
> >  b) Or should KD233 panel support go into a DRM driver first? I don't have
> >     its init sequence or physical size, or the board...
> >  c) Is removal of all of fbtft already planned?
> >  d) Several other fbtft drivers have drm counterparts. Should I inspect those
> >  to see if removal is needed?
> 
> IIRC the main reason fbtft needs to stay is because it supports parallel
> interface which is missing in the DRM drivers.
> 
> Nam

Thank you for clarifying. However, the fb_ili9341 driver uses only the
SPI interface. Is it alright then to move (or remove) those drivers that only use
SPI interface and have DRM counterparts?

Furthermore, would there be a need to enable parallel interface support
in the DRM subsystem?

Daniel M